2028784707 has 12 divisors (see below), whose sum is σ = 2934038224. Its totient is φ = 1350874800.

The previous prime is 2028784699. The next prime is 2028784727. The reversal of 2028784707 is 7074878202.

It is not a de Polignac number, because 2028784707 - 2³ = 2028784699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028784727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129544 + ... + 144357.

Almost surely, 2^2028784707 is an apocalyptic number.

2028784707 is a deficient number, since it is larger than the sum of its proper divisors (905253517).

2028784707 is a wasteful number, since it uses less digits than its factorization.

2028784707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274730 (or 274727 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 2028784707 is about 45042.0326694966. The cubic root of 2028784707 is about 1265.9366915026.

The spelling of 2028784707 in words is "two billion, twenty-eight million, seven hundred eighty-four thousand, seven hundred seven".